KR20050039339A - 비휘발성 메모리 소자의 제조 방법 - Google Patents
비휘발성 메모리 소자의 제조 방법 Download PDFInfo
- Publication number
- KR20050039339A KR20050039339A KR1020030074776A KR20030074776A KR20050039339A KR 20050039339 A KR20050039339 A KR 20050039339A KR 1020030074776 A KR1020030074776 A KR 1020030074776A KR 20030074776 A KR20030074776 A KR 20030074776A KR 20050039339 A KR20050039339 A KR 20050039339A
- Authority
- KR
- South Korea
- Prior art keywords
- floating gate
- oxide film
- gate electrode
- gate oxide
- film
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 150000004767 nitrides Chemical class 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 238000009832 plasma treatment Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 31
- 239000000758 substrate Substances 0.000 claims description 17
- 239000004065 semiconductor Substances 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000000137 annealing Methods 0.000 abstract description 7
- 229920002120 photoresistant polymer Polymers 0.000 description 13
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 11
- 230000003647 oxidation Effects 0.000 description 10
- 238000007254 oxidation reaction Methods 0.000 description 10
- 229920005591 polysilicon Polymers 0.000 description 10
- 238000005530 etching Methods 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000005468 ion implantation Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 241000293849 Cordylanthus Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66825—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a floating gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42324—Gate electrodes for transistors with a floating gate
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (3)
- 소자 분리막이 형성된 반도체 기판 상에 플로팅 게이트 산화막을 형성하는 단계;NO 가스를 이용한 열처리 공정을 통해 상기 플로팅 게이트 산화막 하부에 산화 질화막을 형성하는 단계;질소 플라즈마 처리를 통해 상기 플로팅 게이트 산화막 상부에 질화막을 형성하는 단계;전체 구조상에 플로팅 게이트 전극을 형성하는 단계;상기 플로팅 게이트 전극 양측면에 축전지를 형성하는 단계;상기 플로팅 게이트 전극 양측의 반도체 기판상에 컨트롤 게이트 산화막을 형성하는 단계; 및상기 플로팅 게이트 전극을 감싸는 컨트롤 게이트 전극을 형성하는 단계를 포함하는 비휘발성 메모리 소자의 제조 방법.
- 제 1 항에 있어서,상기 NO 가스를 이용한 열처리 공정은 800 내지 950℃의 온도하에서 순수 NO 가스 또는 N2가스가 희석된 NO 가스를 약 10 내지 60분간 흘려주어 실시하는 비휘발성 메모리 소자의 제조 방법.
- 제 1 항에 있어서,상기 질소 플라즈마 처리는 300 내지 500W의 플라즈마 파워와 200 내지 400mTorr의 압력과 180 내지 500℃의 온도하에서 0.5 내지 2slm의 N2 가스를 유입하여 약 1 내지 10분간 실시하는 비휘발성 메모리 소자의 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030074776A KR101016335B1 (ko) | 2003-10-24 | 2003-10-24 | 비휘발성 메모리 소자의 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030074776A KR101016335B1 (ko) | 2003-10-24 | 2003-10-24 | 비휘발성 메모리 소자의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050039339A true KR20050039339A (ko) | 2005-04-29 |
KR101016335B1 KR101016335B1 (ko) | 2011-02-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030074776A KR101016335B1 (ko) | 2003-10-24 | 2003-10-24 | 비휘발성 메모리 소자의 제조 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101016335B1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100757333B1 (ko) * | 2006-10-12 | 2007-09-11 | 삼성전자주식회사 | 불휘발성 메모리 장치의 제조 방법 |
KR100795623B1 (ko) * | 2005-11-15 | 2008-01-17 | 가부시끼가이샤 도시바 | 비휘발성 반도체 메모리 및 그의 제조 방법 |
KR100941863B1 (ko) * | 2008-01-02 | 2010-02-11 | 주식회사 하이닉스반도체 | 플래시 메모리 소자의 터널 절연막 및 이의 형성 방법 |
US7855117B2 (en) | 2006-09-07 | 2010-12-21 | Samsung Electronics Co., Ltd. | Method of forming a thin layer and method of manufacturing a semiconductor device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3330700B2 (ja) * | 1993-10-08 | 2002-09-30 | 新日本製鐵株式会社 | 不揮発性半導体記憶装置及びその製造方法 |
JP4076638B2 (ja) | 1998-10-26 | 2008-04-16 | 富士通株式会社 | 半導体装置の製造方法 |
JP3558565B2 (ja) * | 1999-11-08 | 2004-08-25 | Necエレクトロニクス株式会社 | 不揮発性半導体装置の製造方法 |
KR20020002750A (ko) * | 2000-06-30 | 2002-01-10 | 박종섭 | 반도체 소자의 트랜지스터 제조 방법 |
-
2003
- 2003-10-24 KR KR1020030074776A patent/KR101016335B1/ko active IP Right Grant
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100795623B1 (ko) * | 2005-11-15 | 2008-01-17 | 가부시끼가이샤 도시바 | 비휘발성 반도체 메모리 및 그의 제조 방법 |
US7855117B2 (en) | 2006-09-07 | 2010-12-21 | Samsung Electronics Co., Ltd. | Method of forming a thin layer and method of manufacturing a semiconductor device |
KR100757333B1 (ko) * | 2006-10-12 | 2007-09-11 | 삼성전자주식회사 | 불휘발성 메모리 장치의 제조 방법 |
KR100941863B1 (ko) * | 2008-01-02 | 2010-02-11 | 주식회사 하이닉스반도체 | 플래시 메모리 소자의 터널 절연막 및 이의 형성 방법 |
US7846797B2 (en) | 2008-01-02 | 2010-12-07 | Hynix Semiconductor Inc. | Tunnel insulating layer of flash memory device and method of forming the same |
Also Published As
Publication number | Publication date |
---|---|
KR101016335B1 (ko) | 2011-02-22 |
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